MongoOperationsFactory.java

MongoOperationsFactory.java

package be.cremers.multiplication;
 
import java.net.UnknownHostException;
 
import javax.ejb.Startup;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.inject.Produces;
import javax.inject.Singleton;
 
import org.springframework.data.authentication.UserCredentials;
import org.springframework.data.mongodb.core.MongoOperations;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.SimpleMongoDbFactory;
 
import com.mongodb.Mongo;
 
@Startup
@Singleton
public class MongoOperationsFactory {
 
        @Produces @ApplicationScoped
        public MongoOperations create(){
                try {
                        String host = System.getenv("OPENSHIFT_MONGODB_DB_HOST");
                        String sport = System.getenv("OPENSHIFT_MONGODB_DB_PORT");
                        String db = System.getenv("OPENSHIFT_APP_NAME");
                        String user = System.getenv("OPENSHIFT_MONGODB_DB_USERNAME");
                        String password = System.getenv("OPENSHIFT_MONGODB_DB_PASSWORD");
                        int port = Integer.decode(sport);
                        UserCredentials userCredentials = new UserCredentials(user, password);
                        return new MongoTemplate(new SimpleMongoDbFactory(new Mongo(host, port), db, userCredentials));
                } catch (UnknownHostException e) {
                        throw new RuntimeException(e.getMessage(), e);
                }
        }
}